@article{GomezJaramilloParraetal.2009,
  author    = {Andreas A. Gomez and Carlos A. Jaramillo and Mauricio Parra and Andres Mora},
  title     = {Huesser Horizon : a lake and a marine incursion in northwestern South America during the early Miocene},
  doi       = {10.2110/palo.2007.p07-074r},
  url       = {http://palaios.geoscienceworld.org/},
  year      = {2009},
}